Update map_dictionary.md

snippets/map_dictionary.md

@@ -5,9 +5,9 @@ tags: list,intermediate
 
 Maps the values of a list to a dictionary using a function, where the key-value pairs consist of the original value as the key and the result of the function as the value.
 
-- Use `map` to apply `fn` to each value of the list.
-- Use `zip` to pair original values to the values produced by `fn`.
-- Use `dict` to return a key value pair.
+- Use `map()` to apply `fn` to each value of the list.
+- Use `zip()` to pair original values to the values produced by `fn`.
+- Use `dict()` to return an appropriate dictionary.
 
 ```py
 def map_dictionary(itr, fn):